Quartz Job Scheduler Ebook -

Coffee time. Coffee time. Coffee time. Alex smiled. For the first time, time felt controllable . Emboldened, Alex tried to fix the 1:30 AM report. A junior mistake was made: Copy-pasting a cron expression from Stack Overflow.

The problem wasn't the code. The problem was time . Quartz Job Scheduler Ebook

Alex deployed it. The next Sunday at (not AM), the test database was slammed with 10,000 queries. Coffee time

0 30 13 ? * SUN

Maya laughed. "You used 13 for 1 PM. AM is 1. And you forgot the '?' for the day-of-week." Alex smiled

Alex needed something that could say: "Run this report every weekday at 1:30 AM, but if the database is locked, try again in 10 seconds. Also, email the CEO only on the first Monday of the month."